pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4506-Bottom_of_the_Punch_Bowl_SS-D-32-4.ps) >>/Users/jc/w/tmp/Tune-4506-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/reel/Bottom_of_the_Punch_Bowl_SS-D-32-4.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_45064.log 262019 Log file, useful mostly for debugging
Form_45060.log 877 Log file, useful mostly for debugging
Tune-4506-Bottom_of_the_Punch_Bowl_SS-D-32-4.abc 513 ABC music file with the extracted tune(s)
Tune-4506-Bottom_of_the_Punch_Bowl_SS-D-32-4.ps 35187 PostScript
Tune-4506-Bottom_of_the_Punch_Bowl_SS-D-32-4.txt 513 Plain-text file with the extracted tune(s)
Tune-4506-get.log 5026 Log file, useful mostly for debugging
Tune-45066-get.log 3219 Log file, useful mostly for debugging
Tune-45069-get.log 2361 Log file, useful mostly for debugging
These files should be available for 24 hours.